The Weierstrass mean
- Cite this article as:
- Todd, J. Numer. Math. (1990) 57: 737. doi:10.1007/BF01386440
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The discussions of convergence are entirely elementary. However, although the determination of the limits can be made in an elementary way, an acquaintance with elliptic objects is desirable for real understanding.
In fact theei(0)'s will be interpreted as the values of a ℘-function at its half periods and the successive ei(n)′s will be the corresponding values for a ℘-function with the same real period and with the imaginary period doubled at each stage-this is the Landen transformation. Ultimately the ℘-function will degenerate into a trigonometrical function.